本文整理汇总了Java中org.apache.tinkerpop.gremlin.process.traversal.step.util.event.Event.EdgeAddedEvent方法的典型用法代码示例。如果您正苦于以下问题:Java Event.EdgeAddedEvent方法的具体用法?Java Event.EdgeAddedEvent怎么用?Java Event.EdgeAddedEvent使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.tinkerpop.gremlin.process.traversal.step.util.event.Event
的用法示例。
在下文中一共展示了Event.EdgeAddedEvent方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: processNextStart
import org.apache.tinkerpop.gremlin.process.traversal.step.util.event.Event; //导入方法依赖的package包/类
@Override
protected Traverser.Admin<Edge> processNextStart() {
if (this.first) {
this.first = false;
final TraverserGenerator generator = this.getTraversal().getTraverserGenerator();
final Traverser.Admin traverser = generator.generate(1, (Step) this, 1); // a dead traverser to trigger the traversal
Vertex toVertex = (Vertex) this.parameters.get(traverser, TO, Collections::emptyList).get(0);
Vertex fromVertex = (Vertex) this.parameters.get(traverser, FROM, Collections::emptyList).get(0);
if (toVertex instanceof Attachable)
toVertex = ((Attachable<Vertex>) toVertex)
.attach(Attachable.Method.get(this.getTraversal().getGraph().orElse(EmptyGraph.instance())));
if (fromVertex instanceof Attachable)
fromVertex = ((Attachable<Vertex>) fromVertex)
.attach(Attachable.Method.get(this.getTraversal().getGraph().orElse(EmptyGraph.instance())));
final String edgeLabel = (String) this.parameters.get(traverser, T.label, () -> Edge.DEFAULT_LABEL).get(0);
final Edge edge = fromVertex.addEdge(edgeLabel, toVertex, this.parameters.getKeyValues(traverser, TO, FROM, T.label));
if (callbackRegistry != null) {
final Event.EdgeAddedEvent vae = new Event.EdgeAddedEvent(DetachedFactory.detach(edge, true));
callbackRegistry.getCallbacks().forEach(c -> c.accept(vae));
}
return generator.generate(edge, this, 1L);
} else
throw FastNoSuchElementException.instance();
}
示例2: map
import org.apache.tinkerpop.gremlin.process.traversal.step.util.event.Event; //导入方法依赖的package包/类
@Override
protected Edge map(final Traverser.Admin<S> traverser) {
Vertex toVertex = this.parameters.get(traverser, TO, () -> (Vertex) traverser.get()).get(0);
Vertex fromVertex = this.parameters.get(traverser, FROM, () -> (Vertex) traverser.get()).get(0);
if (toVertex instanceof Attachable)
toVertex = ((Attachable<Vertex>) toVertex)
.attach(Attachable.Method.get(this.getTraversal().getGraph().orElse(EmptyGraph.instance())));
if (fromVertex instanceof Attachable)
fromVertex = ((Attachable<Vertex>) fromVertex)
.attach(Attachable.Method.get(this.getTraversal().getGraph().orElse(EmptyGraph.instance())));
final String edgeLabel = this.parameters.get(traverser, T.label, () -> Edge.DEFAULT_LABEL).get(0);
final Edge edge = fromVertex.addEdge(edgeLabel, toVertex, this.parameters.getKeyValues(traverser, TO, FROM, T.label));
if (callbackRegistry != null) {
final EventStrategy eventStrategy = getTraversal().getStrategies().getStrategy(EventStrategy.class).get();
final Event.EdgeAddedEvent vae = new Event.EdgeAddedEvent(eventStrategy.detach(edge));
callbackRegistry.getCallbacks().forEach(c -> c.accept(vae));
}
return edge;
}
示例3: map
import org.apache.tinkerpop.gremlin.process.traversal.step.util.event.Event; //导入方法依赖的package包/类
@Override
protected Edge map(final Traverser.Admin<S> traverser) {
final Vertex toVertex = this.parameters.get(traverser, TO, () -> (Vertex) traverser.get()).get(0);
final Vertex fromVertex = this.parameters.get(traverser, FROM, () -> (Vertex) traverser.get()).get(0);
final String edgeLabel = this.parameters.get(traverser, T.label, () -> Edge.DEFAULT_LABEL).get(0);
final Edge edge = fromVertex.addEdge(edgeLabel, toVertex, this.parameters.getKeyValues(traverser, TO, FROM, T.label));
if (callbackRegistry != null) {
final Event.EdgeAddedEvent vae = new Event.EdgeAddedEvent(DetachedFactory.detach(edge, true));
callbackRegistry.getCallbacks().forEach(c -> c.accept(vae));
}
return edge;
}
示例4: getMutatingCallbackRegistry
import org.apache.tinkerpop.gremlin.process.traversal.step.util.event.Event; //导入方法依赖的package包/类
@Override
public CallbackRegistry<Event.EdgeAddedEvent> getMutatingCallbackRegistry() {
if (null == this.callbackRegistry) this.callbackRegistry = new ListCallbackRegistry<>();
return this.callbackRegistry;
}